定義和初始化數組
問題
刪除數組中的某個元素，並將後續元素頂上來。
步驟
實現此案例需要按照如下步驟進行。
步驟一：定義和初始化數組
代碼如下所示：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int num<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"請輸入要刪除的元素："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>num<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">if</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">==</span> num<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">break</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">9</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">+</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">1</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">9</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li></ol>定義一個整型數組array，包含10個元素。並使用循環對元素賦值的方式完成對數組array的初始化。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int num<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"請輸入要刪除的元素："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>num<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li></ol>首先，定義一個整型變量num，用於存儲輸入的一個要刪除的元素。
然後，使用函數printf提示輸入的一個要刪除的元素。
最後，使用函數scanf輸入的要刪除的元素到變量num中。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">if</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">==</span> num<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">break</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li></ol>設置一個循環，逐個元素array[i]與輸入的要刪除的元素num對比，找到要刪除的元素在數組中的位置後退出循環。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">9</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">+</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">1</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li></ol>將找到的要刪除元素的位置的下一個元素賦值到其中，實現刪除的功能。設置循環，依次賦值，實現將後續元素頂上來的功能。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">9</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li></ol>設置一個循環，逐個打印數組中剩餘的元素，驗證刪除效果。
完整代碼
本案例的完整代碼如下所示：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int num<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"請輸入要刪除的元素："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>num<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">if</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">==</span> num<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">break</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">9</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">+</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">1</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">9</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>數組的長度
問題
刪除數組中的某個元素，並將後續元素頂上來。
步驟
實現此案例需要按照如下步驟進行。
步驟一：數組的長度
代碼如下所示：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span style="color: rgb(51, 204, 0);"><span class="sh_function">sizeof</span><span class="sh_symbol" style="font-weight: bold;">(</span>array<span class="sh_symbol" style="font-weight: bold;">)</span><span class="sh_normal"> </span><span class="sh_symbol" style="font-weight: bold;">/</span> <span class="sh_function">sizeof</span><span class="sh_symbol" style="font-weight: bold;">(</span>array<span class="sh_symbol" style="font-weight: bold;">[</span><span class="sh_number" style="font-weight: bold;">0</span><span class="sh_symbol" style="font-weight: bold;">])</span></span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_function" style="color: rgb(0, 68, 102);">sizeof</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span><span class="sh_normal"> </span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">/</span> <span class="sh_function" style="color: rgb(0, 68, 102);">sizeof</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li></ol>定義一個整型數組array，包含10個元素。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_function" style="color: rgb(0, 68, 102);">sizeof</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span><span class="sh_normal"> </span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">/</span> <span class="sh_function" style="color: rgb(0, 68, 102);">sizeof</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li></ol>使用循環對元素賦值的方式完成對數組array的初始化。數組的長度是使用數組所佔的字節數sizeof（array）除以數組第一個元素所佔的字節數sizeof（array[0]）得到的。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_function" style="color: rgb(0, 68, 102);">sizeof</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span><span class="sh_normal"> </span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">/</span> <span class="sh_function" style="color: rgb(0, 68, 102);">sizeof</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li></ol>設置循環逐個輸出數組的每一個元素。
完整代碼
本案例的完整代碼如下所示：
<ol class="snippet-num" style="color: rgb(54, 46, 43); line-height: 25.2px; margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_function" style="color: rgb(0, 68, 102);">sizeof</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span><span class="sh_normal"> </span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">/</span> <span class="sh_function" style="color: rgb(0, 68, 102);">sizeof</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_function" style="color: rgb(0, 68, 102);">sizeof</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span><span class="sh_normal"> </span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">/</span> <span class="sh_function" style="color: rgb(0, 68, 102);">sizeof</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol><div style="color: rgb(54, 46, 43); line-height: 25.2px;"><span style="color: rgb(255, 0, 128);"><strong>
</strong></span></div><div style="color: rgb(54, 46, 43); line-height: 25.2px;"><span style="color: rgb(255, 0, 128);"><strong>
</strong></span></div><div style="color: rgb(54, 46, 43); line-height: 25.2px;"><span style="color: rgb(255, 0, 128);"><strong></strong></span><h2 style="margin: 16.3px 0px 0px; padding: 0px; font-size: 20px; font-family: 微軟雅黑, 'Times New Roman';"><a target=_blank name="t8" style="color: rgb(106, 57, 6);"></a>1 可變長數組的使用</h2><h3 style="margin: 10px 0px; padding: 0px; font-size: 18px; font-family: 微軟雅黑, 'Times New Roman';"><a target=_blank name="t9" style="color: rgb(106, 57, 6);"></a>1.1 問題</h3><p style="margin: 3px; padding-right: 2px; padding-left: 2px; text-indent: 21pt; font-size: 15px; font-family: 微軟雅黑, 'Times New Roman';">定義一個變量n，然後用n定義和使用可變長數組。</p><h3 style="margin: 10px 0px; padding: 0px; font-size: 18px; font-family: 微軟雅黑, 'Times New Roman';"><a target=_blank name="t10" style="color: rgb(106, 57, 6);"></a>1.2 步驟</h3><p style="margin: 3px; padding-right: 2px; padding-left: 2px; text-indent: 21pt; font-size: 15px; font-family: 微軟雅黑, 'Times New Roman';">實現此案例需要按照如下步驟進行。</p><p class="number" style="margin: 8px 3px; padding-right: 2px; padding-left: 2px; text-indent: 21pt; font-size: 15px; font-weight: bold; font-family: 微軟雅黑, 'Times New Roman';">步驟一：可變長數組的使用</p><p style="margin: 3px; padding-right: 2px; padding-left: 2px; text-indent: 21pt; font-size: 15px; font-family: 微軟雅黑, 'Times New Roman';">代碼如下所示：</p><div class="snippet-container" style="font-family: 微軟雅黑, 'Times New Roman';"><div class="sh_acid snippet-wrap" style="padding: 0px; margin: 0px; border: 0px none; position: relative; background: none;"><div class="snippet-menu sh_sourceCode" style="position: absolute; top: 10px; right: 15px; font-size: 0.9em; z-index: 1; background-color: transparent;"></div><pre class="code sh_javascript snippet-formatted sh_sourceCode" name="code" style="white-space: pre-wrap; word-wrap: break-word; margin-left: 40px; padding: 1em; line-height: 1.8em; overflow: auto; position: relative; background-color: rgb(238, 238, 238);"><ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"請輸入數組長度："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">+</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">1</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"請輸入數組長度："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li></ol>首先，定義一個整型變量n，用於存儲輸入的數組長度。
然後，使用函數printf提示輸入數組長度。
最後，使用函數scanf輸入一個數組長度到變量n中。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li></ol>定義一個整型數組，數組的長度由整型變量n通過函數scanf動態輸入決定。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">+</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">1</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li></ol>將數組array中的元素逐個賦初值。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li></ol>逐個輸出數組array中的元素。
1.3 完整代碼
本案例的完整代碼如下所示：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"請輸入數組長度："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">+</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">1</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>2 可變長數組的使用(續1)
2.1 問題
輸入某班同學的考試成績，並保存在數組中，然後計算總分、平均分、最高分和最低分。注意: 需要先輸入學生人數，使用可變長數組。
2.2 步驟
實現此案例需要按照如下步驟進行。
步驟一：可變長數組的使用(續1)
代碼如下所示：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"請輸入班級學生人數："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int score<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"第%d個成績："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">+</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">1</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>score<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int sum <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> sum <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">+=</span> score<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"總分：%d</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> sum<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"平均分：%f</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>float<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span><span class="sh_normal">sum </span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">/</span> n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"請輸入班級學生人數："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li></ol>首先，定義一個整型變量n，用於存儲輸入的學生人數。
然後，使用函數printf提示輸入學生人數。
最後，使用函數scanf輸入一個學生人數到變量n中。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int score<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li></ol>定義一個整型數組，數組的長度由整型變量n通過函數scanf動態輸入決定。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"第%d個成績："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">+</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">1</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>score<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>設置循環，逐個輸入每個學生的成績。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int sum <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li></ol>定義整型變量sum，並初始化爲0，用於存儲班級學生總成績。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> sum <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">+=</span> score<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li></ol>設置循環，對每個學生的成績進行累加，計算總成績。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"總分：%d</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> sum<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"平均分：%f</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>float<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span><span class="sh_normal">sum </span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">/</span> n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li></ol>使用函數printf輸出班級學生總成績和平均分。
2.3 完整代碼
本案例的完整代碼如下所示：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"請輸入班級學生人數："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int score<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"第%d個成績："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">+</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">1</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>score<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int sum <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> sum <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">+=</span> score<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"總分：%d</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> sum<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"平均分：%f</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>float<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span><span class="sh_normal">sum </span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">/</span> n<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>3 二維數組的使用
3.1 問題
聲明和初始化一個二維數組，並打印所有元素的值。
3.2 步驟
實現此案例需要按照如下步驟進行。
步驟一：二維數組的使用
代碼如下所示：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">11</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">12</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">20</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">21</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">22</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">23</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">30</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">31</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">32</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">33</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">11</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">12</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">20</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">21</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">22</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">23</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">30</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">31</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">32</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">33</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li></ol>定義了一個二維數組array，該數組的第一維長度爲3，第二位長度爲4，共有12個數組元素。定義完成之後，對數組array進行了初始化。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>設置雙重循環，打印輸出二維數組內容，外循環用於控制數組的第一維，內層循環用於控制數組的第二維。
3.3 完整代碼
本案例的完整代碼如下所示：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">11</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">12</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">20</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">21</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">22</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">23</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">30</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">31</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">32</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">33</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>4 二維數組的使用(續1)
4.1 問題
定義兩個3*3的二維數組，用第一個的行乘以第二個的列，得到新的二維數組並打印。
4.2 步驟
實現此案例需要按照如下步驟進行。
步驟一：二維數組的使用(續1)
代碼如下所示：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">1</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">2</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">5</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">6</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">7</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">8</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">9</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array1<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">11</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">12</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">14</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">15</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">16</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">17</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">18</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">*=</span> array1<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">1</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">2</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">5</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">6</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">7</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">8</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">9</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array1<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">11</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">12</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">14</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">15</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">16</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">17</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">18</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li></ol>定義了兩個二維數組array和array1，數組的第一維長度爲3，第二位長度也爲3，共有9個數組元素。定義完成之後，對數組array和array1進行了初始化。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">*=</span> array1<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li></ol>設置雙重循環，用數組array的行乘以數組array1的列，外循環分別用於控制數組array的第一維和數組array1的第二維，內層循環分別用於控制數組array的第二維和數組array1的第一維。
上述代碼中，以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>設置雙重循環，打印輸出二維數組array的內容，外循環用於控制數組的第一維，內層循環用於控制數組的第二維。
4.3 完整代碼
本案例的完整代碼如下所示：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">1</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">2</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">5</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">6</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">7</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">8</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">9</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int array1<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">10</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">11</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">12</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">14</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">15</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">16</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">17</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">18</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">*=</span> array1<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">3</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> array<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">][</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>5 二維數組的使用(續2)
5.1 問題
實現隨機發牌(不帶大王和小王)。
程序負責發一副標準紙牌，每張標準紙牌都在一個花色(梅花C、方塊D、紅桃H或黑桃S)和一個等級(2、3、4、5、6、7、8、9、T、J、Q、K、A) 。程序需要用戶輸入手裏應該握有幾張牌。
5.2 步驟
實現此案例需要按照如下步驟進行。
步驟一：定義數組。
數組suit，用於保存撲克牌的花色S、H、D、C。
數組rank，用於保存撲克牌的13張牌A、2、3、4、5、6、7、8、9、T、J、Q、K。
代碼如下：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>time<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdlib<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_string" style="color: rgb(166, 133, 0);">'S'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'H'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'F'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'C'</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_string" style="color: rgb(166, 133, 0);">'A'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'2'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'3'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'4'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'5'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'6'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'7'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'8'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'9'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'T'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'J'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'Q'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'K'</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> </li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>步驟二：從控制檯輸入你要的張數。
需要定義一個變量count，用於保存輸入的張數。
代碼如下：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>time<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdlib<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_string" style="color: rgb(166, 133, 0);">'S'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'H'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'F'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'C'</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_string" style="color: rgb(166, 133, 0);">'A'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'2'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'3'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'4'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'5'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'6'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'7'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'8'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'9'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'T'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'J'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'Q'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'K'</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"請輸入你要的張數："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>步驟三：隨機生成一張牌。
需要定義一個變量s，用於保存隨機生成的一種花色。
需要定義一個變量r，用於保存隨機生成的一種牌型。
代碼如下：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>time<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdlib<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_string" style="color: rgb(166, 133, 0);">'S'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'H'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'F'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'C'</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_string" style="color: rgb(166, 133, 0);">'A'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'2'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'3'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'4'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'5'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'6'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'7'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'8'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'9'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'T'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'J'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'Q'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'K'</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"請輸入你要的張數："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">srand</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">((</span>unsigned<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span><span class="sh_function" style="color: rgb(0, 68, 102);">time</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">));</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int s <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_function" style="color: rgb(0, 68, 102);">rand</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">%</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int r <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_function" style="color: rgb(0, 68, 102);">rand</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">%</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%c%c "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>s<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">],</span> rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>r<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> </li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>步驟四：構建循環，生成你要的張數。
代碼如下：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>time<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdlib<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_string" style="color: rgb(166, 133, 0);">'S'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'H'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'F'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'C'</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_string" style="color: rgb(166, 133, 0);">'A'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'2'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'3'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'4'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'5'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'6'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'7'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'8'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'9'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'T'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'J'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'Q'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'K'</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"請輸入你要的張數："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">srand</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">((</span>unsigned<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span><span class="sh_function" style="color: rgb(0, 68, 102);">time</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">));</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int s <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_function" style="color: rgb(0, 68, 102);">rand</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">%</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int r <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_function" style="color: rgb(0, 68, 102);">rand</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">%</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%c%c "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>s<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">],</span> rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>r<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> </li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>步驟五：濾掉重複的牌。
代碼如下：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>time<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdlib<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_string" style="color: rgb(166, 133, 0);">'S'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'H'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'F'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'C'</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_string" style="color: rgb(166, 133, 0);">'A'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'2'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'3'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'4'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'5'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'6'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'7'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'8'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'9'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'T'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'J'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'Q'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'K'</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> </li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"請輸入你要的張數："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> </li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char oldS<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char oldR<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">srand</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">((</span>unsigned<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span><span class="sh_function" style="color: rgb(0, 68, 102);">time</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">));</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int s <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_function" style="color: rgb(0, 68, 102);">rand</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">%</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int r <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_function" style="color: rgb(0, 68, 102);">rand</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">%</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> k <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(;</span> j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">if</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>oldS<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">==</span> suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>s<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&&</span> oldR<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">==</span> rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>r<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">])</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">--;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">break</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">if</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">==</span> k<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%c%c "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>s<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">],</span> rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>r<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> oldS<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>s<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> oldR<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>r<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> </li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>上述代碼中,以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char oldS<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char oldR<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li></ol>定義兩個數組用於保存已生成的花色和牌型。
上述代碼中,以下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(;</span> j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">if</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>oldS<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">==</span> suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>s<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&&</span> oldR<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">==</span> rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>r<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">])</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">--;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">break</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>在循環體內，嵌入一個內層循環，用於逐張與已經生成的牌進行對比，如果相同，則重新生成一張牌，如果不相同，則使用如下代碼：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">if</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">==</span> k<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%c%c "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>s<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">],</span> rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>r<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> oldS<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>s<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> oldR<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>r<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>則將新生成的牌保存到數組中。
5.3 完整代碼
本案例的完整代碼如下所示：
<ol class="snippet-num" style="margin: 1em 0px 1em 1em; padding-left: 3em;"><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdio<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>time<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">#include <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span>stdlib<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">.</span>h<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">></span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;">int <span class="sh_function" style="color: rgb(0, 68, 102);">main</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_string" style="color: rgb(166, 133, 0);">'S'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'H'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'F'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'C'</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span><span class="sh_string" style="color: rgb(166, 133, 0);">'A'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'2'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'3'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'4'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'5'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'6'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'7'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'8'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'9'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'T'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'J'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'Q'</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_string" style="color: rgb(166, 133, 0);">'K'</span><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> </li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"請輸入你要的張數："</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">scanf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%d"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&</span>count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> </li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char oldS<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> char oldR<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">srand</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">((</span>unsigned<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span><span class="sh_function" style="color: rgb(0, 68, 102);">time</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">));</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>int i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> count<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int s <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_function" style="color: rgb(0, 68, 102);">rand</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">%</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">4</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int r <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_function" style="color: rgb(0, 68, 102);">rand</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">()</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">%</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">13</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> int j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> k <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">for</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(;</span> j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;"><</span> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span> j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">++)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">if</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>oldS<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">==</span> suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>s<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">&&</span> oldR<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>j<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">==</span> rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>r<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">])</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">--;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">break</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">if</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span>j <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">==</span> k<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">)</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">{</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"%c%c "</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">,</span> suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>s<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">],</span> rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>r<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> oldS<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> suit<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>s<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> oldR<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>i<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">]</span> <span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">=</span> rank<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">[</span>r<span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">];</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_function" style="color: rgb(0, 68, 102);">printf</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">(</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_specialchar" style="color: rgb(255, 0, 255); font-weight: bold;">\n</span><span class="sh_string" style="color: rgb(166, 133, 0);">"</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">);</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> </li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"> <span class="sh_keyword" style="color: rgb(187, 121, 119); font-weight: bold;">return</span> <span class="sh_number" style="color: rgb(128, 0, 128); font-weight: bold;">0</span><span class="sh_symbol" style="color: rgb(255, 0, 128); font-weight: bold;">;</span></li><li style="padding-left: 1.5em; list-style: decimal-leading-zero outside none;"><span class="sh_cbracket" style="color: rgb(255, 0, 128); font-weight: bold;">}</span></li></ol>
